WLK · NYSE
Westlake (WLK) Stock Price & Fundamentals
Westlake (WLK) closed at $521.28 on Oct 9, 2026, up 0.83% from the previous close of $517.00.
Share price, past year
1Y +35.28%Monthly closing prices
| Date | Close |
|---|---|
| Oct 9, 2026 | $521.28 |
| Sep 30, 2026 | $493.03 |
| Aug 31, 2026 | $502.82 |
| Jul 31, 2026 | $498.22 |
| Jun 30, 2026 | $484.94 |
| May 29, 2026 | $494.01 |
| Apr 30, 2026 | $496.36 |
| Mar 31, 2026 | $488.47 |
| Feb 27, 2026 | $481.02 |
| Jan 30, 2026 | $447.64 |
| Dec 31, 2025 | $417.89 |
| Nov 28, 2025 | $421.66 |
| Oct 31, 2025 | $387.81 |
Key statistics
- Market cap
- $66.62B
- P/E (TTM)
- —
- EPS (TTM)
- −$9.58
- Revenue (TTM)
- $11.29B
- Net income (TTM)
- −$1.24B
- Shares outstanding
- 127.8M
- Dividend yield
- 0.41%
- 52-week range
- $385.32 – $521.28
Westlake's market cap is $66.62B, based on a share price of $521.28 and 127.8M shares outstanding as of Jul 29, 2026.
Financials
Westlake reported revenue of $11.17B for fiscal 2025, down 8.01% from fiscal 2024.
Westlake reported a net loss of $1.51B in fiscal 2025.
Westlake's fiscal 2025 net loss was its first in at least 9 years.
Annual revenue
| Fiscal year | Revenue | Growth | Net income | Net margin | EPS (diluted) | Free cash flow |
|---|---|---|---|---|---|---|
| FY2025ended Dec 31, 2025 | $11.17B | −8.0% | −$1.51B | −13.5% | −$11.70 | −$530.00M |
| FY2024ended Dec 31, 2024 | $12.14B | −3.2% | $602.00M | 5.0% | $4.64 | $306.00M |
| FY2023ended Dec 31, 2023 | $12.55B | −20.6% | $479.00M | 3.8% | $3.70 | $1.30B |
| FY2022ended Dec 31, 2022 | $15.79B | +34.1% | $2.25B | 14.2% | $17.34 | $2.29B |
| FY2021ended Dec 31, 2021 | $11.78B | +57.0% | $2.02B | 17.1% | $15.58 | $1.74B |
| FY2020ended Dec 31, 2020 | $7.50B | −7.6% | $330.00M | 4.4% | $2.56 | $772.00M |
| FY2019ended Dec 31, 2019 | $8.12B | −6.0% | $421.00M | 5.2% | $3.25 | $514.00M |
| FY2018ended Dec 31, 2018 | $8.64B | +7.4% | $996.00M | 11.5% | $7.62 | $707.00M |
| FY2017ended Dec 31, 2017 | $8.04B | +58.4% | $1.30B | 16.2% | $10.00 | $951.00M |
| FY2016ended Dec 31, 2016 | $5.08B | — | $399.00M | 7.9% | $3.06 | $238.00M |
| Quarter | Revenue | Net income | EPS (diluted) |
|---|---|---|---|
| Q2 FY2026ended Jun 30, 2026 | $3.27B | $260.00M | $2.01 |
| Q1 FY2026ended Mar 31, 2026 | $2.65B | −$169.00M | −$1.31 |
| Q4 FY2025ended Dec 31, 2025 | $2.53B | −$544.00M | −$4.22 |
| Q3 FY2025ended Sep 30, 2025 | $2.84B | −$782.00M | −$6.06 |
| Q2 FY2025ended Jun 30, 2025 | $2.95B | −$142.00M | −$1.11 |
| Q1 FY2025ended Mar 31, 2025 | $2.85B | −$40.00M | −$0.31 |
| Q4 FY2024ended Dec 31, 2024 | $2.84B | $7.00M | $0.07 |
| Q3 FY2024ended Sep 30, 2024 | $3.12B | $108.00M | $0.83 |
Company profile
- Name
- Westlake Corporation
- Ticker
- WLK
- Exchange
- NYSE
- Industry (SEC SIC)
- Industrial Organic Chemicals
- Headquarters
- 5444 Westheimer, Suite 101, Houston, TX
- Incorporated in
- DE
- Fiscal year ends
- December
- SEC CIK
- 0001262823
Recent SEC filings
- Sep 29, 2026
- Aug 31, 2026
- Aug 5, 2026
- Aug 4, 2026
- Jul 29, 2026
- Jun 15, 2026
- May 18, 2026
- May 6, 2026
Frequently asked questions
What is Westlake's stock price?
Westlake (WLK) closed at $521.28 on Oct 9, 2026, up 0.83% from the previous close of $517.00.
What is Westlake's market cap?
Westlake's market cap is $66.62B, based on a share price of $521.28 and 127.8M shares outstanding as of Jul 29, 2026.
How much revenue does Westlake make?
Westlake reported revenue of $11.17B for fiscal 2025, down 8.01% from fiscal 2024.
Does Westlake pay a dividend?
Yes. Westlake declared $2.12 per share in dividends over the last four quarters, a yield of 0.41%.
Sources and methodology
Fundamentals come from Westlake Corporation's filings with the SEC (EDGAR XBRL company facts). Fourth-quarter figures that companies don't report separately are calculated as the fiscal year minus the first three quarters. Trailing twelve-month (TTM) figures sum the latest four quarters. Prices are generated sample data for development. Last updated Oct 9, 2026. Data sources and disclosures